123941057 has 2 divisors, whose sum is σ = 123941058. Its totient is φ = 123941056.

The previous prime is 123941053. The next prime is 123941087. The reversal of 123941057 is 750149321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96020401 + 27920656 = 9799^2 + 5284^2 .

It is a cyclic number.

It is not a de Polignac number, because 123941057 - 2² = 123941053 is a prime.

It is a super-2 number, since 2×123941057² = 30722771220554498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (123941053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61970528 + 61970529.

It is an arithmetic number, because the mean of its divisors is an integer number (61970529).

Almost surely, 2^123941057 is an apocalyptic number.

It is an amenable number.

123941057 is a deficient number, since it is larger than the sum of its proper divisors (1).

123941057 is an equidigital number, since it uses as much as digits as its factorization.

123941057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 123941057 is about 11132.8817922405. The cubic root of 123941057 is about 498.5840700698.

The spelling of 123941057 in words is "one hundred twenty-three million, nine hundred forty-one thousand, fifty-seven".